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CATASTROPHE VERSUS INSTABILITY FOR THE ERUPTION OF A TOROIDAL SOLAR MAGNETIC FLUX ROPE
Berhard Kliem1,2,3,4; Lin J(林隽)1; Forbes, TG5; Priest, ER6; Torok, T7
Source PublicationASTROPHYSICAL JOURNAL
2014-07
Volume789Issue:1
DOI10.1088/0004-637X/789/1/46
Contribution Rank第1完成单位
Indexed BySCI
Keywordmagnetohydrodynamics (MHD) Sun: corona Sun: coronal mass ejections (CMEs) Sun: filaments, prominences Sun: flares Sun: magnetic fields
Abstract

The onset of a solar eruption is formulated here as either a magnetic catastrophe or as an instability. Both start with the same equation of force balance governing the underlying equilibria. Using a toroidal flux rope in an external bipolar or quadrupolar field as a model for the current-carrying flux, we demonstrate the occurrence of a fold catastrophe by loss of equilibrium for several representative evolutionary sequences in the stable domain of parameter space. We verify that this catastrophe and the torus instability occur at the same point; they are thus equivalent descriptions for the onset condition of solar eruptions.

Funding ProjectChinese Academy of Sciences[2012T1J0017] ; DFG ; STFC ; NSF ; 973 Program[2013CB815103] ; 973 Program[2011CB811403] ; NSFC[11273055] ; NSFC[11333007] ; CAS[KJCX2-EW-T07] ; Leverhulme Trust ; NASA's HTP program ; NASA's LWS program ; NASA's SRT program
Funding OrganizationChinese Academy of Sciences[2012T1J0017] ; DFG ; STFC ; NSF ; 973 Program[2013CB815103, 2011CB811403] ; NSFC[11273055, 11333007] ; CAS[KJCX2-EW-T07] ; Leverhulme Trust ; NASA's HTP program ; NASA's LWS program ; NASA's SRT program
Language英语
Subject Area天文学 ; 太阳与太阳系 ; 太阳物理学
MOST Discipline Catalogue理学 ; 理学::天文学
SubtypeArticle
PublisherIOP PUBLISHING LTD
Publication PlaceTEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND
ISSN0004-637X
URL查看原文
WOS IDWOS:000338103400046
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS KeywordCORONAL MASS EJECTIONS ; 2010 APRIL 8 ; ACTIVE REGIONS ; PROMINENCE ERUPTIONS ; TORUS INSTABILITY ; ELECTRIC-CURRENTS ; KINK INSTABILITY ; SUNSPOT ROTATION ; FIELD EVOLUTION ; EMERGING FLUX
Citation statistics
Cited Times:46[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ynao.ac.cn/handle/114a53/6248
Collection太阳物理研究组
Corresponding AuthorBerhard Kliem
Affiliation1.Yunnan Observatories, Chinese Academy of Sciences, Kunming 650011, China
2.Institute of Physics and Astronomy, University of Potsdam, Potsdam 14476, Germany
3.Mullard Space Science Laboratory, University College London, Holmbury St. Mary, Dorking, Surrey, RH5 6NT, UK
4.College of Science, George Mason University, Fairfax, VA 22030, USA
5.Institute for the Study of Earth, Oceans, and Space, University of New Hampshire, Durham, New Hampshire 03824, USA
6.School of Mathematics and Statistics, University of St Andrews, North Haugh, St Andrews KY16 9SS, UK
7.Predictive Science Inc., 9990 Mesa Rim Rd., Ste 170, San Diego, CA 92121, USA
First Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Corresponding Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Berhard Kliem,Lin J,Forbes, TG,et al. CATASTROPHE VERSUS INSTABILITY FOR THE ERUPTION OF A TOROIDAL SOLAR MAGNETIC FLUX ROPE[J]. ASTROPHYSICAL JOURNAL,2014,789(1).
APA Berhard Kliem,Lin J,Forbes, TG,Priest, ER,&Torok, T.(2014).CATASTROPHE VERSUS INSTABILITY FOR THE ERUPTION OF A TOROIDAL SOLAR MAGNETIC FLUX ROPE.ASTROPHYSICAL JOURNAL,789(1).
MLA Berhard Kliem,et al."CATASTROPHE VERSUS INSTABILITY FOR THE ERUPTION OF A TOROIDAL SOLAR MAGNETIC FLUX ROPE".ASTROPHYSICAL JOURNAL 789.1(2014).
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